Healthy Baby Tips - Signs & Symptoms of Lactose Intolerance in Infants

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Healthy Baby Tips - Signs & Symptoms of Lactose Intolerance in Infants
Lactose intolerance occurs because the body is unable to digest lactose or sugar contained in milk.

Lactose intolerance in infants is mainly characterized by abdominal pain and diarrhea, although some babies may experience vomiting and eczema.

Signs of lactose intolerance usually appear about 30 to 60 minutes after consuming infant formula or breast milk.

Immediately contact your doctor for advice if your baby is lactose intolerant.

Symptoms of Lactose Intolerance

Lactose intolerance causes abdominal pain of excess gas production in the intestine.

Often babies will show pain after feeding is characterized by crying or fussy.

Babies will also have difficulty sleeping or suddenly woke up crying.

Lactose Digestion and Intolerance

Colic and excessive gas and diarrhea and vomiting are signs of lactose intolerance in infants.

Stools in infants with lactose intolerance usually watery, dark, and diarrhea occurred many times throughout the day.

Because of vomiting and diarrhea can cause dehydration, it is important to contact a doctor immediately to get advice on how to prevent dehydration.

Eczema and Lactose Intolerance

Lactose intolerance in infants can also cause eczema. Eczema is characterized by dry skin a rough texture and the emergence of small white bumps.

Eczema can spread the baby's body and cause the skin to become dry and scaly look.

Eczema can be overcome by keeping the baby's skin moist and use a mild soap when bathing.

Lactose Intolerance vs. Milk Allergy

Lactose intolerance occurs when a baby has a deficiency of an enzyme (lactase) needed to digest the sugar in milk (lactose).

Lactose intolerance is not a milk allergy. Milk allergy occurs when the immune system responds to the protein in milk.


Lactose intolerance is generally rare in infants, although it can appear while in premature infants and infants who have recently suffered a bout of diarrhea.